The hemichordate "notochord" is
A)the feature proposed by Bateson to include this animal with the chordates.
B)a buccal diverticulum.
C)not homologous with the chordate notochord.
D)All of the choices are correct.
E)None of the choices is correct.

Question

Quizplus · Accepted Answer

The term "notochord" in hemichordates is misleading because it is not homologous with the chordate notochord, which is a defining feature of chordates. Bateson proposed including hemichordates with chordates due to a misunderstanding of their anatomy, specifically the structure referred to as a "notochord" in hemichordates, which is actually a buccal diverticulum. Therefore, all the given statements are correct in the context of the question.

The Hemichordate "Notochord" Is